It's meaningless, well not entirely but weather patterns are far more complicated than [if sea surface temps are X here then precipitation is Y there and Z there] go read opensnow.com if you want to get into detailed snow forecasting.
Generally, during El Nino years (warmer oceanic waters in the Pacific) the southern Rockies and southern United States receive more precipitation but it's also warmer s. La Nina is the opposite where cooler oceanic temps shift the jetstream north slightly and bring more snow to the northern rockies.